/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Administration;

import java.beans.Statement;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.AdminData;
import model.DatabaseConnection;

/**
 *
 * @author mosta
 */
public class categoryChecker extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private Connection conn;
    private Statement stmt;
    private ResultSet result;
    private PreparedStatement prepStmt;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String cat = request.getParameter("category");

        DatabaseConnection connection = new DatabaseConnection();
        conn = connection.startConnection();
        PrintWriter out = response.getWriter();
        String sql = "select cat_name from category where cat_name=?";
        try {
            prepStmt = conn.prepareStatement(sql);
            prepStmt.setString(1, cat);
            result = prepStmt.executeQuery();
            if (result.next()) {
                out.print("Category is Available");
                
            } else {
                sql = "insert into category (cat_name) VALUES (?)";
                prepStmt = conn.prepareStatement(sql);
                prepStmt.setString(1, cat);
                int returned = prepStmt.executeUpdate();
                if (returned == 1) {
                    out.print("Done");
                }
            }
        } catch (SQLException ex) {
            Logger.getLogger(AdminMainPage.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            if (result != null) {
                try {
                    result.close();
                } catch (Exception ex) { /* */ ex.printStackTrace();
                }
            }
            if (stmt != null) {
                try {
                    prepStmt.close();
                } catch (Exception ex) { /* */ ex.printStackTrace();
                }
            }
            if (connection != null) {
                try {
                    connection.endConnection();
                } catch (Exception ex) { /* */ ex.printStackTrace();
                }
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
